4Q23

Earnings Results Conference Call

Cautionary Statement

This presentation contains certain information that may constitute forward-looking information under applicable U.S. securities legislation, including but not limited to information about costs applicable to sales, general and administrative expenses; production volumes; current expectations on the timing, extent and success of exploration; development and metallurgical sampling activities, the timing and success of mining operations and the optimization of mine plans. This forward-looking information entails various risks and uncertainties that are based on current expectations, and actual results may differ materially from those contained within said information. These uncertainties and risks include, but are not limited to, the strength of the global economy, the price of commodities; operational, funding and liquidity risks; the degree to which mineral resource estimates are reflective of actual mineral resources; the degree to which factors which would make a mineral deposit commercially viable are present, and other risks and hazards associated with mining operations. Risks and uncertainties about the Company's business are more fully discussed in the BVN's form 20-F filed with the Securities and Exchange Commission in the U.S. and available at www.sec.gov . Readers are urged to read these materials. Buenaventura assumes no obligation to update any forward-looking information or to update the reasons why actual results could differ from such information unless required by law.

Agenda

1

2

3

4

5

FY23 Highlights

Resources and Reserves

2024 Guidance

San Gabriel Progress

Closing remarks

3

FY23 Highlights

EBITDA Direct Operations(1)

In US$ millions

+38%

238.3

173.1

FY22

FY23

Leverage ratio 2.05x

Lowest in 2 years

FY23 net income was US$ 33M negatively impacted by US$ 113.2M non-cash provision related to former SUNAT dispute

US$ 127.3 M FY23 CAPEX investment in San Gabriel confirms construction ramp-up and to produce first gold bar by 2H25

Cerro Verde distributed dividends of

US$ 49M during 4Q23.

(FY23: US$ 147M)

Yumpag´s pilot stope produced

2.3 MOz-Ag during 4Q23. Definitive operating permits expected by Mar-24

El Brocal achieved 10.8 ktpd during

4Q23 surpassing 10.0 ktpd target

Successful 2023 explorations replenished Cu, Ag and Au resources & reserves with remarkable results in Yumpag

+100 Moz-Ag

Consolidated Production(2)

57.7 kton

Cu (kton)

13.6

53 58

9.2 MOz

Ag (MOz)

4.3

8.3 9.5

155.3 kOz

Au (kOz)

44

126 142

2023 Guidance Min range Max range

Notes: (1) Do not include Yanacocha transaction US$ 300M;

4

(2) Consolidated figures includes 100% BVN, 100% La Zanja and 100% El Brocal.

All-in Sustaining Cost(1)

Costs Applicable to Sales

Copper AISC (US$/TMF-Cu Eq)

6,427

↓8% 5,884

Copper

US$/TMF-Cu

6,631

6,787

6,687

6,571

6,738

6,227 6,031

5,047

↓10%

6,613

5,964

El Brocal:

10.8ktpd ramp-up in underground mine

1Q22

2Q22

3Q22

4Q22

1Q23

2Q23

3Q23

4Q23

FY22

FY23

FY22FY23

Gold AISC (US$/Oz-Au Eq)

Silver

US$/Oz-Ag

↓3%

25.5

24.4

22.0

21.5

19.6

19.0

18.0

17.7

15.2

14.7

Uchuchacua & Yumpag: 2.6MOz-Ag additional production during 4Q23

1,327

↓27%

973

FY22FY23

Gold

US$/Oz-Au

1Q22

2Q22

3Q22

4Q22

1Q23

2Q23

3Q23

4Q23

FY22

FY23

1,241

1,252

1,153 1,160

1,126

1,126

1,143

1,124

1,139

1,145

Tambomayo:

Lower grades

1Q22

2Q22

3Q22

4Q22

1Q23

2Q23

3Q23

4Q23

FY22

FY23

Note: (1) Consolidated figures considers 100% BVN, 100% La Zanja and 100% El Brocal

5

Both AISC consider the same costs but shown on a copper basis and on a gold basis.

Free cash flow generation

FY23 Cash generation

FY23 EBITDA to FCF reconciliation

In US$ millions

In US$ millions

(1)

Notes: (1) Considers US$ 33 M of advanced payments related to San Gabriel project

Focus on four flagship assets, building our pipeline of diverse projects and

increased LOM position us as a mining leader...

Ag

Yumpag

Cu

El Brocal

Au

San Gabriel

Yumpag completed construction

El Brocal underground mine expansion

  • 12ktpd by 2025

San Gabriel ramp-up and

first gold bar by 2H25

Cu

Cerro Verde dividends distribution

Cerro Verde

$120M - $150M

Flagship mines: ↑10 years of uninterrupted reserves and resources extraction

Copper

El Brocal

35%

1.9 Mton

Trapiche

65%

Reserves

Resources

El Brocal

SilverGold

Others

Others

8%

4%

San

128 MOz2.8 MOz Gabriel

69%

Uchucchacua

El Brocal

& Yumpag

El Brocal

33%

59%

27%

Others

8%

Others

San

10%

Gabriel

33%

3.1 Mton

Trapiche

67%

199 MOz

Uchucchacua

3.5 MOz

48%

& Yumpag

El Brocal

65%

27%

El Brocal

42%

Note: (1) Reserves and Resources based on consolidated figures considers 100% BVN, 100% La Zanja and 100% El Brocal

(2) Prices used for Buenaventura´s Reserve calculation: Copper 8,800 $/MT, Silver 23 $/Oz, Gold 1,750 $/Oz, Zinc 2,600 $/MT, Lead 2,100 $/MT

2024 Guidance: stable copper production at El Brocal, Yumpag boosting silver and lower gold production driven by lower grades

Copper

Silver

Gold

Kton-Cu

MOz-Ag

15.2

kOz-Au

+3% 60

155 -12%

58

+65%

137

13.5

55

9.2

123

FY23

FY24E

FY23

FY24E

FY23

FY24E

CAPEX

$320M

San Gabriel- ~$220M

$300M

Growth ~$20M

Maintenance

~$70M

Yumpag ~$15M

San Gabriel: Our next large gold project

Item

Description

Cumulative progress:

1Q23

2Q23

3Q23

4Q23

1

Engineering

66%

81%

90%

92%

2

Procurement

85%

85%

89%

89%

3

Construction

3%

7%

14%

27%

4

Commissioning

0%

0%

0%

0%

Total

15%

23%

28%

38%

Highlights

Project Milestones

Authority admitted

Start of UG

Concrete Plant

power line EIA

mining contractor

installation completed

2Q23 3Q23 4Q23 1Q24E

Fresh water

Processing Plant

San Gabriel

Dam Started

platform completed

campsite completed

  • FY23 CAPEX related to earth movement, excavation underground contractor field work and San Gabriel campsite reached US$ 94 M.
  • Additional US$ 33 M have been invested in the project as advance payments for equipment manufacturing.
  • Processing plant platform completed. Concrete, Structures, Mechanics and Piping contractor will start during 1Q24.

Reserves

1.9 MOz-Au

+14 years LOM

Resources

1.7 MOz-Au

+14 years LOM

10

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Disclaimer

Compañia de Minas Buenaventura SAA published this content on 29 February 2024 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 06 March 2024 11:00:01 UTC.